using System.Collections;
using System.Collections.Generic; 
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using TMPro;

namespace XED.Hierarchy
{
    public class PopupScrollViewItem : UnityEngine.MonoBehaviour
    {
        private CustomScrollRect scrollRect;
        private TMP_Text text;
        private Canvas canvas;
        // Start is called before the first frame update
        void Awake()
        {
            canvas = GetComponentInParent<Canvas>();
            text = GetComponentInChildren<TMP_Text>();
            scrollRect = GetComponentInParent<CustomScrollRect>();
            scrollRect.itemPopup = gameObject;
            gameObject.SetActive(false);
        }

        // Update is called once per frame
        void Update()
        {
            if (scrollRect.sourceItem != null)
            {
                text.text = scrollRect.sourceItem.name;
            }
            // Position popup at the mouse position (convert screen point to UI point)
            RectTransformUtility.ScreenPointToLocalPointInRectangle(
                canvas.transform as RectTransform,
                Input.mousePosition,
                canvas.worldCamera,
                out Vector2 pos
            );
            transform.position = canvas.transform.TransformPoint(pos);
        }
    }
}